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  5. 生育酚相關蛋白與紫檀芪於人類乳腺癌細胞之抗癌作用的研究
 
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生育酚相關蛋白與紫檀芪於人類乳腺癌細胞之抗癌作用的研究

Other Title
Studies on Anticarcinogenic Effects of Tocopherol-Associated Protein (TAP) and Pterostilbene in Human Breast Cancer Cell
Type
thesis
Date Issued
2015-07-29
Author(s)
譚家偉
Advisor
吳志雄
何元順
Subjects
系所名稱:臨床醫學研究所
Description
學位別:博士
語文別:英文
指導教授:吳志雄
共同指導教授:何元順
口試委員:王應然;鄧文炳;潘敏雄
中文關鍵字:乳癌,α-生育酚相關蛋白,α-生育酚琥珀酸酯,維生素E,人類表皮生長因子受體2,紫檀芪
英文關鍵字:Breast cancer, α-tocopherol-associated protein, α-tocopheryl succinate, vitamin E, Her2 receptor, pterostilbene
Abstract
乳癌是女性最常見的惡性腫瘤,並且具有年齡特異的發病特性。在過去的十年中,許多研究已經證明天然的維生素E,α-生育酚(α-tocopherol),具有抗癌的特性。在人體血清、肝、腦,和前列腺組織中,α-生育酚相關蛋白(α-Tocopherol-associated protein, TAP)被證實為α-生育酚之最主要和最活躍的結合蛋白質。本研究以即時性-聚合酶連鎖反應方式,從93例乳癌樣本的正常和癌症組織的配對中,發現降低TAP的表現,與人類表皮生長因子受體2 (Human epidermal growth factor receptor 2, HER2)表現,乳癌分期,及淋巴結分期有顯著的相關性。細胞存活率實驗指出,α-生育酚琥珀酸酯(α-tocopheryl succinate, α-TOS),一種α-生育酚的衍生物,提高了小紅莓doxorubicin對細胞敏感度,並導致乳腺癌細胞活力的降低。我們還發現,紫檀芪(Pterostilbene, PS),膳食中藍莓的抗氧化成分,能協同α-TOS使乳腺癌細胞的生長減緩。令人驚喜的是,在動物模式中,給予小鼠PS和高劑量的維生素E飲食,發現乳腺腫瘤生長受到抑制。綜合以上結果,證明維生素E和PS作為補充劑可同時提供乳癌的預防和臨床治療效果。
URI
https://203.71.86.71/handle/123456789/57123

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